C952 - Chapter 2 Exam Questions review, 100% Approved.

C952 - Chapter 2 Exam Questions review, 100% Approved. Personal Computer (PC) - -A computer designed for use by an individual, usually incorporating a graphics display, a keyboard, and a mouse. Server - -A computer used for running larger programs for multiple users, often simultaneously, and typically accessed only via a network Supercomputer - -A class of computers with the highest performance and cost; they are configured as servers and typically cost tens to hundreds of millions of dollars. embedded computer - -A computer inside another device used for running one predetermined application or collection of software. Personal mobile devices (PMDs) - -are small wireless devices to connect to the Internet; they rely on batteries for power, and software is installed by downloading apps. Conventional examples are smart phones and tablets. Cloud Computing - -refers to large collections of servers that provide services over the Internet; some providers rent dynamically varying numbers of servers as a utility. Moore's Law - -integrated circuit resources double every 18-24 months. Systems software - -Software that provides services that are commonly useful, including operating systems, compilers, loaders, and assemblers. operating system - -Supervising program that manages the resources of a computer for the benefit of the programs that run on that computer. Compiler - -A program that translates high-level language statements into assembly language statements instruction - -A command that computer hardware understands and obeys. Assembler - -A program that translates a symbolic version of instructions into the binary version. Assembly Language - -A symbolic representation of machine instructions. Machine language - -A binary representation of machine instructions. High level programming language - -A portable language such as C, C++, Java, or Visual Basic that is composed of words and algebraic notation that can be translated by a compiler into assembly language. input device - -A mechanism through which the computer is fed information output device - -A mechanism that conveys the result of a computation to a user, such as a display, or to another computer. liquid crystal display - -A display technology using a thin layer of liquid polymers that can be used to transmit or block light according to whether a charge is applied. active matrix display - -A liquid crystal display using a transistor to control the transmission of light at each individual pixel. Pixel - -The smallest individual picture element. Screens are composed of hundreds of thousands to millions of pixels, organized in a matrix. Integrated circuit - -Also called a chip. A device combining dozens to millions of transistors.